d0d0c3f4c31b304677547ee7c470dde52f6d9811987899f26471dbdc0c43f283

Analysis

max time kernel
143s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
21-07-2024 18:44

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General

Target

LegitCheckControl.dll
Size

1.4MB
MD5

543839983d408c8da6e147b7553763d4
SHA1

b73c019753b9f299ad33a1d42b443bf8f2efd60b
SHA256

083dc9063edb585b41d4eb2e992bc2838c49fa4bb671f2c30ba716399cd744bb
SHA512

5ec867a43f9c1b156b2a1583431cafe14ad951cc484069c40056d4fbe8728395d58e953be81b3556c07a5f3ad9e3007b1005f829e3587beecad50c6dfe0d66c6
SSDEEP

24576:lDE2THapNJSeT/woypKKzBypTL8lpUJ8sN0CM49QVf:lg2T2JSs/wtpK1pvYU/N09ff

Score

1^/10

Malware Config

Signatures

Modifies registry class 51 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ = "ILegitCheck"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\TypeLib\ = "{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\LegitCheckControl.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck\CurVer\ = "LegitCheckControl.LegitCheck.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\ = "Windows Genuine Advantage Validation Tool"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\LegitCheckControl.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ = "ILegitCheck"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck\ = "Windows Genuine Advantage Validation Tool"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\AppID = "{2DE6426A-0708-415C-8C19-623CC4855F80}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck.1\CLSID\ = "{17492023-C23A-453E-A040-C7C580BBF700}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{2DE6426A-0708-415C-8C19-623CC4855F80}\ = "LegitCheckControl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\TypeLib\ = "{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\LegitCheckControl.DLL\AppID = "{2DE6426A-0708-415C-8C19-623CC4855F80}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\VersionIndependentProgID\ = "LegitCheckControl.LegitCheck"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck\CLSID\ = "{17492023-C23A-453E-A040-C7C580BBF700}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\ = "Windows Genuine Advantage Validation Tool"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\LegitCheckControl.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\TypeLib\ = "{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{2DE6426A-0708-415C-8C19-623CC4855F80}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck.1\ = "Windows Genuine Advantage Validation Tool"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\ProgID\ = "LegitCheckControl.LegitCheck.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 736	4360	regsvr32.exe	84
PID 4360 wrote to memory of 736	4360	regsvr32.exe	84
PID 4360 wrote to memory of 736	4360	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\LegitCheckControl.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4360
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\LegitCheckControl.dll
  2⤵
  - Modifies registry class
  PID:736

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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